4812209 has 2 divisors, whose sum is σ = 4812210. Its totient is φ = 4812208.

The previous prime is 4812193. The next prime is 4812239. The reversal of 4812209 is 9022184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4326400 + 485809 = 2080^2 + 697^2 .

It is a cyclic number.

It is not a de Polignac number, because 4812209 - 2⁴ = 4812193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4812239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2406104 + 2406105.

It is an arithmetic number, because the mean of its divisors is an integer number (2406105).

Almost surely, 2^4812209 is an apocalyptic number.

It is an amenable number.

4812209 is a deficient number, since it is larger than the sum of its proper divisors (1).

4812209 is an equidigital number, since it uses as much as digits as its factorization.

4812209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 4812209 is about 2193.6747707899. The cubic root of 4812209 is about 168.8294323804.

The spelling of 4812209 in words is "four million, eight hundred twelve thousand, two hundred nine".